Thunderstone

Sacrifice Thunderstone {2} and a "Pikachu" or
"Eevee" you control:
•If you sacrificed "Pikachu" search your hand and library for a card named "Raichu" and place it on
the battlefield.
•If you sacrificed "Eevee" search your hand and library for a card named "Jolteon" and put it on
the battlefield.
Creatures entered the battlefield this way enter
with a haste and a +1/+1 counter.